SOLUTION: X+Y=1 3X+5Y=12

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Question 861558: X+Y=1
3X+5Y=12
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
X%2BY=1
3X%2B5Y=12
From eq. 1,
X=1-Y
Substitute into eq. 2,
3%281-Y%29%2B5Y=12
3-3Y%2B5Y=12
2Y=9
Y=9%2F2
Then,
X=1-9%2F2
X=2%2F2-9%2F2
X=-7%2F2